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<FONT color="green">001</FONT>    package metaface.server;<a name="line.1"></a>
<FONT color="green">002</FONT>    import java.io.*;<a name="line.2"></a>
<FONT color="green">003</FONT>    import java.net.*;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.awt.*;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.awt.event.*;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.util.*;<a name="line.6"></a>
<FONT color="green">007</FONT>    import metaface.interaction.*;<a name="line.7"></a>
<FONT color="green">008</FONT>    import metaface.dsp.*;<a name="line.8"></a>
<FONT color="green">009</FONT>    import metaface.client.*;<a name="line.9"></a>
<FONT color="green">010</FONT>    import metaface.mpeg4.*;<a name="line.10"></a>
<FONT color="green">011</FONT>    <a name="line.11"></a>
<FONT color="green">012</FONT>    /**<a name="line.12"></a>
<FONT color="green">013</FONT>     *  This class provides the basis for client services. It may be extended to<a name="line.13"></a>
<FONT color="green">014</FONT>     *  offer a particular service to clients.<a name="line.14"></a>
<FONT color="green">015</FONT>     *<a name="line.15"></a>
<FONT color="green">016</FONT>     *@author     Simon Beard<a name="line.16"></a>
<FONT color="green">017</FONT>     *@version    1.0<a name="line.17"></a>
<FONT color="green">018</FONT>     *@see        metaface.client.HTTPClient<a name="line.18"></a>
<FONT color="green">019</FONT>     *@see        metaface.client.MetaFaceHTTPClient<a name="line.19"></a>
<FONT color="green">020</FONT>     *@see        MetaFaceHTTPServer<a name="line.20"></a>
<FONT color="green">021</FONT>     */<a name="line.21"></a>
<FONT color="green">022</FONT>    public abstract class MetaFaceService extends Thread {<a name="line.22"></a>
<FONT color="green">023</FONT>    <a name="line.23"></a>
<FONT color="green">024</FONT>            /**<a name="line.24"></a>
<FONT color="green">025</FONT>             *  Data is a start sequence<a name="line.25"></a>
<FONT color="green">026</FONT>             */<a name="line.26"></a>
<FONT color="green">027</FONT>            private static int START = 0;<a name="line.27"></a>
<FONT color="green">028</FONT>            /**<a name="line.28"></a>
<FONT color="green">029</FONT>             *  Data is VHML<a name="line.29"></a>
<FONT color="green">030</FONT>             */<a name="line.30"></a>
<FONT color="green">031</FONT>            private static int VHML = 1;<a name="line.31"></a>
<FONT color="green">032</FONT>            /**<a name="line.32"></a>
<FONT color="green">033</FONT>             *  Data is a flush sequence<a name="line.33"></a>
<FONT color="green">034</FONT>             */<a name="line.34"></a>
<FONT color="green">035</FONT>            private static int FLUSH = 2;<a name="line.35"></a>
<FONT color="green">036</FONT>            /**<a name="line.36"></a>
<FONT color="green">037</FONT>             *  Data for sending to the client<a name="line.37"></a>
<FONT color="green">038</FONT>             */<a name="line.38"></a>
<FONT color="green">039</FONT>            private String senddata = new String("");<a name="line.39"></a>
<FONT color="green">040</FONT>            /**<a name="line.40"></a>
<FONT color="green">041</FONT>             *  The client machine string<a name="line.41"></a>
<FONT color="green">042</FONT>             */<a name="line.42"></a>
<FONT color="green">043</FONT>            private String clientmachine;<a name="line.43"></a>
<FONT color="green">044</FONT>            /**<a name="line.44"></a>
<FONT color="green">045</FONT>             *  Data output to the client<a name="line.45"></a>
<FONT color="green">046</FONT>             */<a name="line.46"></a>
<FONT color="green">047</FONT>            private DataOutputStream output;<a name="line.47"></a>
<FONT color="green">048</FONT>            /**<a name="line.48"></a>
<FONT color="green">049</FONT>             *  Client stimulus<a name="line.49"></a>
<FONT color="green">050</FONT>             */<a name="line.50"></a>
<FONT color="green">051</FONT>            private String input;<a name="line.51"></a>
<FONT color="green">052</FONT>            /**<a name="line.52"></a>
<FONT color="green">053</FONT>             *  The response to send to the client<a name="line.53"></a>
<FONT color="green">054</FONT>             */<a name="line.54"></a>
<FONT color="green">055</FONT>            private String _httpResponse;<a name="line.55"></a>
<FONT color="green">056</FONT>            /**<a name="line.56"></a>
<FONT color="green">057</FONT>             *  Acknowledgement of receipt<a name="line.57"></a>
<FONT color="green">058</FONT>             */<a name="line.58"></a>
<FONT color="green">059</FONT>            private byte[] ack;<a name="line.59"></a>
<FONT color="green">060</FONT>            /**<a name="line.60"></a>
<FONT color="green">061</FONT>             *  The HTTP server of this service<a name="line.61"></a>
<FONT color="green">062</FONT>             */<a name="line.62"></a>
<FONT color="green">063</FONT>            private MetaFaceHTTPServer hs;<a name="line.63"></a>
<FONT color="green">064</FONT>            /**<a name="line.64"></a>
<FONT color="green">065</FONT>             *  The interaction manager for handling client stimulus<a name="line.65"></a>
<FONT color="green">066</FONT>             */<a name="line.66"></a>
<FONT color="green">067</FONT>            private InteractionManager im;<a name="line.67"></a>
<FONT color="green">068</FONT>            /**<a name="line.68"></a>
<FONT color="green">069</FONT>             *  The DSP<a name="line.69"></a>
<FONT color="green">070</FONT>             */<a name="line.70"></a>
<FONT color="green">071</FONT>            private DigitalSignalProcessor dsp;<a name="line.71"></a>
<FONT color="green">072</FONT>            /**<a name="line.72"></a>
<FONT color="green">073</FONT>             *  The frame rate for animation<a name="line.73"></a>
<FONT color="green">074</FONT>             */<a name="line.74"></a>
<FONT color="green">075</FONT>            private int framerate;<a name="line.75"></a>
<FONT color="green">076</FONT>            /**<a name="line.76"></a>
<FONT color="green">077</FONT>             *  The MPEG-4 FAPs the send<a name="line.77"></a>
<FONT color="green">078</FONT>             */<a name="line.78"></a>
<FONT color="green">079</FONT>            private Vector faps;<a name="line.79"></a>
<FONT color="green">080</FONT>            /**<a name="line.80"></a>
<FONT color="green">081</FONT>             *  The phoneme information to send<a name="line.81"></a>
<FONT color="green">082</FONT>             */<a name="line.82"></a>
<FONT color="green">083</FONT>            private Vector phonemes;<a name="line.83"></a>
<FONT color="green">084</FONT>            /**<a name="line.84"></a>
<FONT color="green">085</FONT>             *  The speech text to send<a name="line.85"></a>
<FONT color="green">086</FONT>             */<a name="line.86"></a>
<FONT color="green">087</FONT>            private String speechtext;<a name="line.87"></a>
<FONT color="green">088</FONT>            /**<a name="line.88"></a>
<FONT color="green">089</FONT>             *  The URLs and targets to send<a name="line.89"></a>
<FONT color="green">090</FONT>             */<a name="line.90"></a>
<FONT color="green">091</FONT>            private Hashtable browserupdates;<a name="line.91"></a>
<FONT color="green">092</FONT>            /**<a name="line.92"></a>
<FONT color="green">093</FONT>             *  Whether to debug<a name="line.93"></a>
<FONT color="green">094</FONT>             */<a name="line.94"></a>
<FONT color="green">095</FONT>            private boolean debug = false;<a name="line.95"></a>
<FONT color="green">096</FONT>    <a name="line.96"></a>
<FONT color="green">097</FONT>    <a name="line.97"></a>
<FONT color="green">098</FONT>            /**<a name="line.98"></a>
<FONT color="green">099</FONT>             *  Constructor for the MetaFaceService object<a name="line.99"></a>
<FONT color="green">100</FONT>             *<a name="line.100"></a>
<FONT color="green">101</FONT>             *@param  interactionmanager      The interaction manager to handle user<a name="line.101"></a>
<FONT color="green">102</FONT>             *      (client machine) stimulus<a name="line.102"></a>
<FONT color="green">103</FONT>             *@param  s                       The client socket<a name="line.103"></a>
<FONT color="green">104</FONT>             *@param  httpserver              The server<a name="line.104"></a>
<FONT color="green">105</FONT>             *@param  digitalsignalprocessor  The DSP<a name="line.105"></a>
<FONT color="green">106</FONT>             *@exception  IOException         Input/Output Exception<a name="line.106"></a>
<FONT color="green">107</FONT>             */<a name="line.107"></a>
<FONT color="green">108</FONT>            public MetaFaceService(InteractionManager interactionmanager, Socket s, MetaFaceHTTPServer httpserver, DigitalSignalProcessor digitalsignalprocessor) throws IOException {<a name="line.108"></a>
<FONT color="green">109</FONT>                    _httpResponse = "HTTP/1.1 200 MetaFace \nCache-Control: no-cache\nPragma: no-cache \r\n\r\n";<a name="line.109"></a>
<FONT color="green">110</FONT>                    ack = new String("ACK").getBytes();<a name="line.110"></a>
<FONT color="green">111</FONT>                    im = interactionmanager;<a name="line.111"></a>
<FONT color="green">112</FONT>                    clientmachine = s.getInetAddress().getHostAddress();<a name="line.112"></a>
<FONT color="green">113</FONT>                    output = new DataOutputStream(new BufferedOutputStream(s.getOutputStream()));<a name="line.113"></a>
<FONT color="green">114</FONT>                    output.writeBytes(_httpResponse);<a name="line.114"></a>
<FONT color="green">115</FONT>                    output.writeInt(ack.length);<a name="line.115"></a>
<FONT color="green">116</FONT>                    output.write(ack);<a name="line.116"></a>
<FONT color="green">117</FONT>                    output.flush();<a name="line.117"></a>
<FONT color="green">118</FONT>                    hs = httpserver;<a name="line.118"></a>
<FONT color="green">119</FONT>                    dsp = digitalsignalprocessor;<a name="line.119"></a>
<FONT color="green">120</FONT>                    framerate = 25;<a name="line.120"></a>
<FONT color="green">121</FONT>            }<a name="line.121"></a>
<FONT color="green">122</FONT>    <a name="line.122"></a>
<FONT color="green">123</FONT>    <a name="line.123"></a>
<FONT color="green">124</FONT>            /**<a name="line.124"></a>
<FONT color="green">125</FONT>             *  Whether to print debug information<a name="line.125"></a>
<FONT color="green">126</FONT>             *<a name="line.126"></a>
<FONT color="green">127</FONT>             *@param  flag  The new debug value<a name="line.127"></a>
<FONT color="green">128</FONT>             */<a name="line.128"></a>
<FONT color="green">129</FONT>            public void setDebug(boolean flag) {<a name="line.129"></a>
<FONT color="green">130</FONT>                    debug = flag;<a name="line.130"></a>
<FONT color="green">131</FONT>            }<a name="line.131"></a>
<FONT color="green">132</FONT>    <a name="line.132"></a>
<FONT color="green">133</FONT>    <a name="line.133"></a>
<FONT color="green">134</FONT>            /**<a name="line.134"></a>
<FONT color="green">135</FONT>             *  Process a response for sending to the client<a name="line.135"></a>
<FONT color="green">136</FONT>             *<a name="line.136"></a>
<FONT color="green">137</FONT>             *@param  response  The response string (a file, text, or null)<a name="line.137"></a>
<FONT color="green">138</FONT>             */<a name="line.138"></a>
<FONT color="green">139</FONT>            protected abstract void processResponse(String response);<a name="line.139"></a>
<FONT color="green">140</FONT>    <a name="line.140"></a>
<FONT color="green">141</FONT>    <a name="line.141"></a>
<FONT color="green">142</FONT>            /**<a name="line.142"></a>
<FONT color="green">143</FONT>             *  Sets the MPEG-4 FAP frames of the MetaFaceService<a name="line.143"></a>
<FONT color="green">144</FONT>             *<a name="line.144"></a>
<FONT color="green">145</FONT>             *@param  frames  The MPEG-4 FAPs<a name="line.145"></a>
<FONT color="green">146</FONT>             */<a name="line.146"></a>
<FONT color="green">147</FONT>            protected void setFrames(Vector frames) {<a name="line.147"></a>
<FONT color="green">148</FONT>                    faps = frames;<a name="line.148"></a>
<FONT color="green">149</FONT>            }<a name="line.149"></a>
<FONT color="green">150</FONT>    <a name="line.150"></a>
<FONT color="green">151</FONT>    <a name="line.151"></a>
<FONT color="green">152</FONT>            /**<a name="line.152"></a>
<FONT color="green">153</FONT>             *  Sets the phoneme information of the MetaFaceService<a name="line.153"></a>
<FONT color="green">154</FONT>             *<a name="line.154"></a>
<FONT color="green">155</FONT>             *@param  phs  The new phonemes value<a name="line.155"></a>
<FONT color="green">156</FONT>             */<a name="line.156"></a>
<FONT color="green">157</FONT>            protected void setPhonemes(Vector phs) {<a name="line.157"></a>
<FONT color="green">158</FONT>                    phonemes = phs;<a name="line.158"></a>
<FONT color="green">159</FONT>            }<a name="line.159"></a>
<FONT color="green">160</FONT>    <a name="line.160"></a>
<FONT color="green">161</FONT>    <a name="line.161"></a>
<FONT color="green">162</FONT>            /**<a name="line.162"></a>
<FONT color="green">163</FONT>             *  Sets the speech text of the MetaFaceService<a name="line.163"></a>
<FONT color="green">164</FONT>             *<a name="line.164"></a>
<FONT color="green">165</FONT>             *@param  txt  The new text value<a name="line.165"></a>
<FONT color="green">166</FONT>             */<a name="line.166"></a>
<FONT color="green">167</FONT>            protected void setText(String txt) {<a name="line.167"></a>
<FONT color="green">168</FONT>                    speechtext = txt;<a name="line.168"></a>
<FONT color="green">169</FONT>            }<a name="line.169"></a>
<FONT color="green">170</FONT>    <a name="line.170"></a>
<FONT color="green">171</FONT>    <a name="line.171"></a>
<FONT color="green">172</FONT>            /**<a name="line.172"></a>
<FONT color="green">173</FONT>             *  Sets the browser updates (URLs and targets) of the MetaFaceService<a name="line.173"></a>
<FONT color="green">174</FONT>             *<a name="line.174"></a>
<FONT color="green">175</FONT>             *@param  updates  The new browserUpdates value<a name="line.175"></a>
<FONT color="green">176</FONT>             */<a name="line.176"></a>
<FONT color="green">177</FONT>            protected void setBrowserUpdates(Hashtable updates) {<a name="line.177"></a>
<FONT color="green">178</FONT>                    browserupdates = updates;<a name="line.178"></a>
<FONT color="green">179</FONT>            }<a name="line.179"></a>
<FONT color="green">180</FONT>    <a name="line.180"></a>
<FONT color="green">181</FONT>    <a name="line.181"></a>
<FONT color="green">182</FONT>            /**<a name="line.182"></a>
<FONT color="green">183</FONT>             *  Sets the frame rate attribute of the MetaFaceService<a name="line.183"></a>
<FONT color="green">184</FONT>             *<a name="line.184"></a>
<FONT color="green">185</FONT>             *@param  framespersecond  The new frame rate<a name="line.185"></a>
<FONT color="green">186</FONT>             */<a name="line.186"></a>
<FONT color="green">187</FONT>            public void setFrameRate(int framespersecond) {<a name="line.187"></a>
<FONT color="green">188</FONT>                    framerate = framespersecond;<a name="line.188"></a>
<FONT color="green">189</FONT>            }<a name="line.189"></a>
<FONT color="green">190</FONT>    <a name="line.190"></a>
<FONT color="green">191</FONT>    <a name="line.191"></a>
<FONT color="green">192</FONT>            /**<a name="line.192"></a>
<FONT color="green">193</FONT>             *  Gets the frame rate attribute of the MetaFaceService<a name="line.193"></a>
<FONT color="green">194</FONT>             *<a name="line.194"></a>
<FONT color="green">195</FONT>             *@return    The frame rate<a name="line.195"></a>
<FONT color="green">196</FONT>             */<a name="line.196"></a>
<FONT color="green">197</FONT>            public int getFrameRate() {<a name="line.197"></a>
<FONT color="green">198</FONT>                    return (framerate);<a name="line.198"></a>
<FONT color="green">199</FONT>            }<a name="line.199"></a>
<FONT color="green">200</FONT>    <a name="line.200"></a>
<FONT color="green">201</FONT>    <a name="line.201"></a>
<FONT color="green">202</FONT>            /**<a name="line.202"></a>
<FONT color="green">203</FONT>             *  Gets the DSP attribute of the MetaFaceService<a name="line.203"></a>
<FONT color="green">204</FONT>             *<a name="line.204"></a>
<FONT color="green">205</FONT>             *@return    The DSP<a name="line.205"></a>
<FONT color="green">206</FONT>             */<a name="line.206"></a>
<FONT color="green">207</FONT>            protected DigitalSignalProcessor getDSP() {<a name="line.207"></a>
<FONT color="green">208</FONT>                    return (dsp);<a name="line.208"></a>
<FONT color="green">209</FONT>            }<a name="line.209"></a>
<FONT color="green">210</FONT>    <a name="line.210"></a>
<FONT color="green">211</FONT>    <a name="line.211"></a>
<FONT color="green">212</FONT>            /**<a name="line.212"></a>
<FONT color="green">213</FONT>             *  Determines whether the client's socket matches the argument<a name="line.213"></a>
<FONT color="green">214</FONT>             *<a name="line.214"></a>
<FONT color="green">215</FONT>             *@param  s  A client socket to match against<a name="line.215"></a>
<FONT color="green">216</FONT>             *@return    Whether the sockets match<a name="line.216"></a>
<FONT color="green">217</FONT>             */<a name="line.217"></a>
<FONT color="green">218</FONT>            public boolean matchClient(Socket s) {<a name="line.218"></a>
<FONT color="green">219</FONT>                    if (clientmachine.equalsIgnoreCase(s.getInetAddress().getHostAddress())) {<a name="line.219"></a>
<FONT color="green">220</FONT>                            return (true);<a name="line.220"></a>
<FONT color="green">221</FONT>                    }<a name="line.221"></a>
<FONT color="green">222</FONT>                    return (false);<a name="line.222"></a>
<FONT color="green">223</FONT>            }<a name="line.223"></a>
<FONT color="green">224</FONT>    <a name="line.224"></a>
<FONT color="green">225</FONT>    <a name="line.225"></a>
<FONT color="green">226</FONT>            /**<a name="line.226"></a>
<FONT color="green">227</FONT>             *  Sets the data input for the MetaFaceService<a name="line.227"></a>
<FONT color="green">228</FONT>             *<a name="line.228"></a>
<FONT color="green">229</FONT>             *@param  data  The new input data<a name="line.229"></a>
<FONT color="green">230</FONT>             */<a name="line.230"></a>
<FONT color="green">231</FONT>            public void setInput(InputStream data) {<a name="line.231"></a>
<FONT color="green">232</FONT>                    try {<a name="line.232"></a>
<FONT color="green">233</FONT>                            String inputtemp2;<a name="line.233"></a>
<FONT color="green">234</FONT>                            input = new String("");<a name="line.234"></a>
<FONT color="green">235</FONT>                            BufferedReader inputtemp = new BufferedReader(new InputStreamReader(data));<a name="line.235"></a>
<FONT color="green">236</FONT>                            inputtemp2 = inputtemp.readLine();<a name="line.236"></a>
<FONT color="green">237</FONT>                            while (inputtemp2.length() > 0) {<a name="line.237"></a>
<FONT color="green">238</FONT>                                    input = input.concat(inputtemp2);<a name="line.238"></a>
<FONT color="green">239</FONT>                                    inputtemp2 = inputtemp.readLine();<a name="line.239"></a>
<FONT color="green">240</FONT>                            }<a name="line.240"></a>
<FONT color="green">241</FONT>                            data.close();<a name="line.241"></a>
<FONT color="green">242</FONT>                    } catch (Exception e) {}<a name="line.242"></a>
<FONT color="green">243</FONT>            }<a name="line.243"></a>
<FONT color="green">244</FONT>    <a name="line.244"></a>
<FONT color="green">245</FONT>    <a name="line.245"></a>
<FONT color="green">246</FONT>            /**<a name="line.246"></a>
<FONT color="green">247</FONT>             *  Main processing method for the MetaFaceService object. Executed when<a name="line.247"></a>
<FONT color="green">248</FONT>             *  incoming data arrives for this service.<a name="line.248"></a>
<FONT color="green">249</FONT>             */<a name="line.249"></a>
<FONT color="green">250</FONT>            public void run() {<a name="line.250"></a>
<FONT color="green">251</FONT>                    String response;<a name="line.251"></a>
<FONT color="green">252</FONT>                    try {<a name="line.252"></a>
<FONT color="green">253</FONT>                            String s = input;<a name="line.253"></a>
<FONT color="green">254</FONT>    <a name="line.254"></a>
<FONT color="green">255</FONT>                            //Starting sequesnce<a name="line.255"></a>
<FONT color="green">256</FONT>                            if (s.indexOf("_start_") == 0) {<a name="line.256"></a>
<FONT color="green">257</FONT>                                    if (debug) {<a name="line.257"></a>
<FONT color="green">258</FONT>                                            System.out.println("starting client " + clientmachine);<a name="line.258"></a>
<FONT color="green">259</FONT>                                    }<a name="line.259"></a>
<FONT color="green">260</FONT>                                    sendData(START, null);<a name="line.260"></a>
<FONT color="green">261</FONT>                            } else if (s.indexOf("_stop_") == 0) {<a name="line.261"></a>
<FONT color="green">262</FONT>    <a name="line.262"></a>
<FONT color="green">263</FONT>                                    //Stopping sequence<a name="line.263"></a>
<FONT color="green">264</FONT>                                    if (debug) {<a name="line.264"></a>
<FONT color="green">265</FONT>                                            System.out.println("stopping client " + clientmachine);<a name="line.265"></a>
<FONT color="green">266</FONT>                                    }<a name="line.266"></a>
<FONT color="green">267</FONT>                                    sendData(FLUSH, null);<a name="line.267"></a>
<FONT color="green">268</FONT>                            } else if (s.indexOf("_exit_") == 0) {<a name="line.268"></a>
<FONT color="green">269</FONT>    <a name="line.269"></a>
<FONT color="green">270</FONT>                                    //Exit sequence<a name="line.270"></a>
<FONT color="green">271</FONT>                                    if (debug) {<a name="line.271"></a>
<FONT color="green">272</FONT>                                            System.out.println("client exiting " + clientmachine);<a name="line.272"></a>
<FONT color="green">273</FONT>                                    }<a name="line.273"></a>
<FONT color="green">274</FONT>                                    hs.removeClient(this);<a name="line.274"></a>
<FONT color="green">275</FONT>                            } else {<a name="line.275"></a>
<FONT color="green">276</FONT>                                    //Stimulus has arrived<a name="line.276"></a>
<FONT color="green">277</FONT>    <a name="line.277"></a>
<FONT color="green">278</FONT>                                    if (debug) {<a name="line.278"></a>
<FONT color="green">279</FONT>                                            System.out.println("processing stimulus " + input + " " + clientmachine);<a name="line.279"></a>
<FONT color="green">280</FONT>                                    }<a name="line.280"></a>
<FONT color="green">281</FONT>    <a name="line.281"></a>
<FONT color="green">282</FONT>                                    //Get a response to the stimulus<a name="line.282"></a>
<FONT color="green">283</FONT>                                    response = im.processUserStimulus(s.trim());<a name="line.283"></a>
<FONT color="green">284</FONT>                                    if (debug) {<a name="line.284"></a>
<FONT color="green">285</FONT>                                            System.out.println("retrieve " + response);<a name="line.285"></a>
<FONT color="green">286</FONT>                                    }<a name="line.286"></a>
<FONT color="green">287</FONT>                                    sendData(VHML, response);<a name="line.287"></a>
<FONT color="green">288</FONT>                            }<a name="line.288"></a>
<FONT color="green">289</FONT>                    } catch (Exception e) {<a name="line.289"></a>
<FONT color="green">290</FONT>                            e.printStackTrace();<a name="line.290"></a>
<FONT color="green">291</FONT>                    }<a name="line.291"></a>
<FONT color="green">292</FONT>            }<a name="line.292"></a>
<FONT color="green">293</FONT>    <a name="line.293"></a>
<FONT color="green">294</FONT>    <a name="line.294"></a>
<FONT color="green">295</FONT>            /**<a name="line.295"></a>
<FONT color="green">296</FONT>             *  Sends data to the client<a name="line.296"></a>
<FONT color="green">297</FONT>             *<a name="line.297"></a>
<FONT color="green">298</FONT>             *@param  flag  The type of data to send (START, VHML, FLUSH)<a name="line.298"></a>
<FONT color="green">299</FONT>             *@param  data  The data string to send<a name="line.299"></a>
<FONT color="green">300</FONT>             */<a name="line.300"></a>
<FONT color="green">301</FONT>            private synchronized void sendData(int flag, String data) {<a name="line.301"></a>
<FONT color="green">302</FONT>                    Vector fapvec;<a name="line.302"></a>
<FONT color="green">303</FONT>                    String pi;<a name="line.303"></a>
<FONT color="green">304</FONT>                    String header;<a name="line.304"></a>
<FONT color="green">305</FONT>                    Vector visemes;<a name="line.305"></a>
<FONT color="green">306</FONT>                    int i;<a name="line.306"></a>
<FONT color="green">307</FONT>                    int j;<a name="line.307"></a>
<FONT color="green">308</FONT>                    String temp;<a name="line.308"></a>
<FONT color="green">309</FONT>                    byte[] bytes;<a name="line.309"></a>
<FONT color="green">310</FONT>                    byte[] bytes2;<a name="line.310"></a>
<FONT color="green">311</FONT>                    FAPData tempfap;<a name="line.311"></a>
<FONT color="green">312</FONT>                    char[] buf;<a name="line.312"></a>
<FONT color="green">313</FONT>                    String grouping;<a name="line.313"></a>
<FONT color="green">314</FONT>                    String fap;<a name="line.314"></a>
<FONT color="green">315</FONT>                    String ph;<a name="line.315"></a>
<FONT color="green">316</FONT>                    String html;<a name="line.316"></a>
<FONT color="green">317</FONT>                    String speechtext;<a name="line.317"></a>
<FONT color="green">318</FONT>                    String fapdata;<a name="line.318"></a>
<FONT color="green">319</FONT>                    Enumeration keys;<a name="line.319"></a>
<FONT color="green">320</FONT>                    String target;<a name="line.320"></a>
<FONT color="green">321</FONT>                    String url;<a name="line.321"></a>
<FONT color="green">322</FONT>                    VHMLOutputReader vhmloutputreader;<a name="line.322"></a>
<FONT color="green">323</FONT>                    VHMLParser vhmlparser;<a name="line.323"></a>
<FONT color="green">324</FONT>    <a name="line.324"></a>
<FONT color="green">325</FONT>                    //Start sequence<a name="line.325"></a>
<FONT color="green">326</FONT>                    if (flag == START) {<a name="line.326"></a>
<FONT color="green">327</FONT>                            try {<a name="line.327"></a>
<FONT color="green">328</FONT>    <a name="line.328"></a>
<FONT color="green">329</FONT>                                    //Send silence<a name="line.329"></a>
<FONT color="green">330</FONT>                                    pi = dsp.silencePhonemeString(1000);<a name="line.330"></a>
<FONT color="green">331</FONT>    <a name="line.331"></a>
<FONT color="green">332</FONT>                                    //Send FAPs of same length<a name="line.332"></a>
<FONT color="green">333</FONT>                                    fapvec = new Vector();<a name="line.333"></a>
<FONT color="green">334</FONT>                                    visemes = dsp.phonemesToVisemes(pi + "\n");<a name="line.334"></a>
<FONT color="green">335</FONT>                                    fapvec = FAPData.visemesToFAPString(visemes, 0f, framerate, true);<a name="line.335"></a>
<FONT color="green">336</FONT>    <a name="line.336"></a>
<FONT color="green">337</FONT>                                    //Get a FAP header<a name="line.337"></a>
<FONT color="green">338</FONT>                                    header = (String) fapvec.elementAt(0);<a name="line.338"></a>
<FONT color="green">339</FONT>                                    header = header.substring(header.indexOf("\n") + 1);<a name="line.339"></a>
<FONT color="green">340</FONT>                                    fapvec = new Vector();<a name="line.340"></a>
<FONT color="green">341</FONT>    <a name="line.341"></a>
<FONT color="green">342</FONT>                                    //Send the header<a name="line.342"></a>
<FONT color="green">343</FONT>                                    try {<a name="line.343"></a>
<FONT color="green">344</FONT>                                            bytes = header.getBytes();<a name="line.344"></a>
<FONT color="green">345</FONT>                                            output.writeByte((byte) MetaFaceHTTPClient.HEADER);<a name="line.345"></a>
<FONT color="green">346</FONT>                                            output.writeInt(bytes.length);<a name="line.346"></a>
<FONT color="green">347</FONT>                                            output.write(bytes);<a name="line.347"></a>
<FONT color="green">348</FONT>                                    } catch (IOException e) {<a name="line.348"></a>
<FONT color="green">349</FONT>                                            e.printStackTrace();<a name="line.349"></a>
<FONT color="green">350</FONT>                                    }<a name="line.350"></a>
<FONT color="green">351</FONT>    <a name="line.351"></a>
<FONT color="green">352</FONT>                                    //Send the FAPs<a name="line.352"></a>
<FONT color="green">353</FONT>                                    for (j = 0; j &lt; framerate; j++) {<a name="line.353"></a>
<FONT color="green">354</FONT>                                            try {<a name="line.354"></a>
<FONT color="green">355</FONT>                                                    tempfap = new FAPData();<a name="line.355"></a>
<FONT color="green">356</FONT>                                                    bytes = tempfap.getBitMaskBytes();<a name="line.356"></a>
<FONT color="green">357</FONT>                                                    bytes2 = tempfap.getValueBytes(j);<a name="line.357"></a>
<FONT color="green">358</FONT>                                                    output.writeByte((byte) MetaFaceHTTPClient.FAP);<a name="line.358"></a>
<FONT color="green">359</FONT>                                                    output.writeInt(bytes.length + bytes2.length);<a name="line.359"></a>
<FONT color="green">360</FONT>                                                    output.write(bytes);<a name="line.360"></a>
<FONT color="green">361</FONT>                                                    output.write(bytes2);<a name="line.361"></a>
<FONT color="green">362</FONT>                                                    output.flush();<a name="line.362"></a>
<FONT color="green">363</FONT>                                            } catch (IOException e) {<a name="line.363"></a>
<FONT color="green">364</FONT>                                                    e.printStackTrace();<a name="line.364"></a>
<FONT color="green">365</FONT>                                            }<a name="line.365"></a>
<FONT color="green">366</FONT>                                    }<a name="line.366"></a>
<FONT color="green">367</FONT>                                    //Flush FAPs<a name="line.367"></a>
<FONT color="green">368</FONT>                                    try {<a name="line.368"></a>
<FONT color="green">369</FONT>                                            bytes = "\0\n".getBytes();<a name="line.369"></a>
<FONT color="green">370</FONT>                                            output.writeByte((byte) MetaFaceHTTPClient.FAP);<a name="line.370"></a>
<FONT color="green">371</FONT>                                            output.writeInt(bytes.length);<a name="line.371"></a>
<FONT color="green">372</FONT>                                            output.write(bytes);<a name="line.372"></a>
<FONT color="green">373</FONT>                                            output.flush();<a name="line.373"></a>
<FONT color="green">374</FONT>                                    } catch (IOException e) {<a name="line.374"></a>
<FONT color="green">375</FONT>                                            e.printStackTrace();<a name="line.375"></a>
<FONT color="green">376</FONT>                                    }<a name="line.376"></a>
<FONT color="green">377</FONT>                                    //Send phoneme information<a name="line.377"></a>
<FONT color="green">378</FONT>                                    try {<a name="line.378"></a>
<FONT color="green">379</FONT>                                            bytes = pi.getBytes();<a name="line.379"></a>
<FONT color="green">380</FONT>                                            output.writeByte((byte) MetaFaceHTTPClient.PHONEMES);<a name="line.380"></a>
<FONT color="green">381</FONT>                                            output.writeInt(bytes.length);<a name="line.381"></a>
<FONT color="green">382</FONT>                                            output.write(bytes);<a name="line.382"></a>
<FONT color="green">383</FONT>                                            bytes = "\0\n".getBytes();<a name="line.383"></a>
<FONT color="green">384</FONT>                                            output.writeByte((byte) MetaFaceHTTPClient.PHONEMES);<a name="line.384"></a>
<FONT color="green">385</FONT>                                            output.writeInt(bytes.length);<a name="line.385"></a>
<FONT color="green">386</FONT>                                            output.write(bytes);<a name="line.386"></a>
<FONT color="green">387</FONT>                                            output.flush();<a name="line.387"></a>
<FONT color="green">388</FONT>                                    } catch (IOException e) {<a name="line.388"></a>
<FONT color="green">389</FONT>                                            e.printStackTrace();<a name="line.389"></a>
<FONT color="green">390</FONT>                                    }<a name="line.390"></a>
<FONT color="green">391</FONT>                            } catch (Exception e) {<a name="line.391"></a>
<FONT color="green">392</FONT>                                    System.err.println("Server sending error");<a name="line.392"></a>
<FONT color="green">393</FONT>                                    e.printStackTrace();<a name="line.393"></a>
<FONT color="green">394</FONT>                            }<a name="line.394"></a>
<FONT color="green">395</FONT>                    } else if (flag == VHML) {<a name="line.395"></a>
<FONT color="green">396</FONT>                            //Sending VHML data<a name="line.396"></a>
<FONT color="green">397</FONT>    <a name="line.397"></a>
<FONT color="green">398</FONT>                            if (data != null) {<a name="line.398"></a>
<FONT color="green">399</FONT>                                    faps = new Vector();<a name="line.399"></a>
<FONT color="green">400</FONT>                                    phonemes = new Vector();<a name="line.400"></a>
<FONT color="green">401</FONT>                                    speechtext = "";<a name="line.401"></a>
<FONT color="green">402</FONT>                                    browserupdates = new Hashtable();<a name="line.402"></a>
<FONT color="green">403</FONT>    <a name="line.403"></a>
<FONT color="green">404</FONT>                                    //Get the FAPs, phonemes, text, URLs, and targets<a name="line.404"></a>
<FONT color="green">405</FONT>                                    processResponse(hs.getVHMLFilePath() + "/" + data);<a name="line.405"></a>
<FONT color="green">406</FONT>    <a name="line.406"></a>
<FONT color="green">407</FONT>                                    //Send URLs and targets<a name="line.407"></a>
<FONT color="green">408</FONT>                                    try {<a name="line.408"></a>
<FONT color="green">409</FONT>                                            keys = browserupdates.elements();<a name="line.409"></a>
<FONT color="green">410</FONT>                                            while (keys.hasMoreElements()) {<a name="line.410"></a>
<FONT color="green">411</FONT>                                                    target = (String) keys.nextElement();<a name="line.411"></a>
<FONT color="green">412</FONT>                                                    url = (String) browserupdates.get(target);<a name="line.412"></a>
<FONT color="green">413</FONT>                                                    bytes = (url + "->" + target).getBytes();<a name="line.413"></a>
<FONT color="green">414</FONT>                                                    output.writeByte((byte) MetaFaceHTTPClient.HTMLREF);<a name="line.414"></a>
<FONT color="green">415</FONT>                                                    output.writeInt(bytes.length);<a name="line.415"></a>
<FONT color="green">416</FONT>                                                    output.write(bytes);<a name="line.416"></a>
<FONT color="green">417</FONT>                                                    output.flush();<a name="line.417"></a>
<FONT color="green">418</FONT>                                            }<a name="line.418"></a>
<FONT color="green">419</FONT>    <a name="line.419"></a>
<FONT color="green">420</FONT>                                            //Send text<a name="line.420"></a>
<FONT color="green">421</FONT>                                            bytes = speechtext.getBytes();<a name="line.421"></a>
<FONT color="green">422</FONT>                                            output.writeByte((byte) MetaFaceHTTPClient.TEXT);<a name="line.422"></a>
<FONT color="green">423</FONT>                                            output.writeInt(bytes.length);<a name="line.423"></a>
<FONT color="green">424</FONT>                                            output.write(bytes);<a name="line.424"></a>
<FONT color="green">425</FONT>                                            output.flush();<a name="line.425"></a>
<FONT color="green">426</FONT>    <a name="line.426"></a>
<FONT color="green">427</FONT>                                            //Send FAPs<a name="line.427"></a>
<FONT color="green">428</FONT>                                            for (i = 0; i &lt; faps.size(); i++) {<a name="line.428"></a>
<FONT color="green">429</FONT>                                                    tempfap = (FAPData) faps.elementAt(i);<a name="line.429"></a>
<FONT color="green">430</FONT>                                                    bytes = tempfap.getBitMaskBytes();<a name="line.430"></a>
<FONT color="green">431</FONT>                                                    bytes2 = tempfap.getValueBytes(i);<a name="line.431"></a>
<FONT color="green">432</FONT>                                                    output.writeByte((byte) MetaFaceHTTPClient.FAP);<a name="line.432"></a>
<FONT color="green">433</FONT>                                                    output.writeInt(bytes.length + bytes2.length);<a name="line.433"></a>
<FONT color="green">434</FONT>                                                    output.write(bytes);<a name="line.434"></a>
<FONT color="green">435</FONT>                                                    output.write(bytes2);<a name="line.435"></a>
<FONT color="green">436</FONT>                                                    output.flush();<a name="line.436"></a>
<FONT color="green">437</FONT>                                            }<a name="line.437"></a>
<FONT color="green">438</FONT>                                            bytes = "\0\n".getBytes();<a name="line.438"></a>
<FONT color="green">439</FONT>                                            output.writeByte((byte) MetaFaceHTTPClient.FAP);<a name="line.439"></a>
<FONT color="green">440</FONT>                                            output.writeInt(bytes.length);<a name="line.440"></a>
<FONT color="green">441</FONT>                                            output.write(bytes);<a name="line.441"></a>
<FONT color="green">442</FONT>                                            output.flush();<a name="line.442"></a>
<FONT color="green">443</FONT>    <a name="line.443"></a>
<FONT color="green">444</FONT>                                            //Send phoneme information<a name="line.444"></a>
<FONT color="green">445</FONT>                                            ph = "";<a name="line.445"></a>
<FONT color="green">446</FONT>                                            for (i = 0; i &lt; phonemes.size(); i++) {<a name="line.446"></a>
<FONT color="green">447</FONT>                                                    ph = ph.concat(((String) phonemes.elementAt(i)) + "\n");<a name="line.447"></a>
<FONT color="green">448</FONT>                                            }<a name="line.448"></a>
<FONT color="green">449</FONT>                                            bytes = ph.getBytes();<a name="line.449"></a>
<FONT color="green">450</FONT>                                            output.writeByte((byte) MetaFaceHTTPClient.PHONEMES);<a name="line.450"></a>
<FONT color="green">451</FONT>                                            output.writeInt(bytes.length);<a name="line.451"></a>
<FONT color="green">452</FONT>                                            output.write(bytes);<a name="line.452"></a>
<FONT color="green">453</FONT>                                            output.flush();<a name="line.453"></a>
<FONT color="green">454</FONT>                                            bytes = "\0\n".getBytes();<a name="line.454"></a>
<FONT color="green">455</FONT>                                            output.writeByte((byte) MetaFaceHTTPClient.PHONEMES);<a name="line.455"></a>
<FONT color="green">456</FONT>                                            output.writeInt(bytes.length);<a name="line.456"></a>
<FONT color="green">457</FONT>                                            output.write(bytes);<a name="line.457"></a>
<FONT color="green">458</FONT>                                            output.flush();<a name="line.458"></a>
<FONT color="green">459</FONT>                                    } catch (IOException e) {<a name="line.459"></a>
<FONT color="green">460</FONT>                                            e.printStackTrace();<a name="line.460"></a>
<FONT color="green">461</FONT>                                    }<a name="line.461"></a>
<FONT color="green">462</FONT>                            }<a name="line.462"></a>
<FONT color="green">463</FONT>                    } else if (flag == FLUSH) {<a name="line.463"></a>
<FONT color="green">464</FONT>    <a name="line.464"></a>
<FONT color="green">465</FONT>                            //Flush sequence (send /0 for streaming FAPs and phoneme information)<a name="line.465"></a>
<FONT color="green">466</FONT>                            try {<a name="line.466"></a>
<FONT color="green">467</FONT>                                    bytes = "\0\n".getBytes();<a name="line.467"></a>
<FONT color="green">468</FONT>                                    output.writeByte((byte) MetaFaceHTTPClient.PHONEMES);<a name="line.468"></a>
<FONT color="green">469</FONT>                                    output.writeInt(bytes.length);<a name="line.469"></a>
<FONT color="green">470</FONT>                                    output.write(bytes);<a name="line.470"></a>
<FONT color="green">471</FONT>                                    output.flush();<a name="line.471"></a>
<FONT color="green">472</FONT>                                    output.writeByte((byte) MetaFaceHTTPClient.FAP);<a name="line.472"></a>
<FONT color="green">473</FONT>                                    output.writeInt(bytes.length);<a name="line.473"></a>
<FONT color="green">474</FONT>                                    output.write(bytes);<a name="line.474"></a>
<FONT color="green">475</FONT>                                    output.flush();<a name="line.475"></a>
<FONT color="green">476</FONT>                            } catch (Exception e) {<a name="line.476"></a>
<FONT color="green">477</FONT>                                    System.out.println(e + " server sending error");<a name="line.477"></a>
<FONT color="green">478</FONT>                            }<a name="line.478"></a>
<FONT color="green">479</FONT>                    }<a name="line.479"></a>
<FONT color="green">480</FONT>            }<a name="line.480"></a>
<FONT color="green">481</FONT>    }<a name="line.481"></a>
<FONT color="green">482</FONT>    <a name="line.482"></a>




























































</PRE>
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